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Data as of Nov 3, 2026

216.74.66.0/24

Anonymizer · ISP proxy

RCN · space held by Colocation America Corporation

Announcement
this exact prefix
RPKI valid
Announced by
AS6079
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin May 2026
from AS54103 MOD Mission Critical, LLC, after 7.4 years unannounced
IPv4 market

Path

Announced by AS6079 since May 2026 · 6 mo ago
1 · Holder
Colocation America Corporation
record created Apr 26, 2016 · reallocated to Internet Utilities NA LLC Jan 7, 2025
2 · Leased from
IPXO
for its owner Colocation America Corporation
3 · Announced by
AS6079 RCN
since May 2026 · 6 mo ago
4 · Use
Proxy providersnamed Rayobyte
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 216.74.66.0/24/24s
Rayobyte
256100%
1
Leased from

IP brokers

NameIn 216.74.66.0/24/24s
IPXO
256100%
1
Leased from

Owners leasing their own space

NameIn 216.74.66.0/24/24s
Colocation America Corporation
256100%
1

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

216.74.66.0/24

From the registry to its use

  1. May 9, 2005– Aug 22, 2005
    Announced
    AS17252 Colocation America Corporation
    as part of 216.74.64.0/18
    216.74.64.0/18
  2. May 9, 2005– Mar 15, 2006
    Announced
    AS21698 TurboNet
    Internet provider
  3. Sep 1, 2005– Sep 22, 2005
    Announced
    AS21698 TurboNet
    as part of 216.74.64.0/18
    216.74.64.0/18
  4. Nov 8, 2005– Sep 8, 2006
    Announced
    AS18942 WebHostPlus Inc
    as part of 216.74.64.0/18
    216.74.64.0/18
  5. Sep 22, 2006– Dec 1, 2007
    Announced
    AS31797 Galaxyvisions Inc
    as part of 216.74.64.0/18
    216.74.64.0/18
  6. Jan 15, 2008– Mar 15, 2008
    Announced
    AS17252 Colocation America Corporation
    as part of 216.74.64.0/18
    216.74.64.0/18
  7. Oct 1, 2009– Apr 1, 2015
    Announced
    AS4436 GTT Americas, LLC
    as part of 216.74.64.0/18
    216.74.64.0/18
  8. Apr 26, 2016
    Registry record
    Colocation America Corporation
    Direct Allocation
    216.74.64.0/18
  9. May 1, 2016– Nov 2, 2026
    Announced
    AS21769 Colocation America Corporation
    as part of 216.74.64.0/18
    216.74.64.0/18
  10. Jul 5, 2017– Dec 14, 2018
    Announced
    AS54103 MOD Mission Critical, LLC
    Hosting
  11. Jan 7, 2025
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    216.74.64.0/21
  12. May 19, 2026
    Assigned
    Internet Utilities NA LLC
    Reassigned
    216.74.66.0/24
  13. May 19, 2026
    Route object
    IPXO
    RADB route object for AS6079 RCN, maintainer MAINT-AS834
  14. May 19, 2026
    Route object
    IPXO
    ARIN route object for AS6079 RCN, maintainer MNT-DCL-577
  15. May 19, 2026
    Route object
    IPXO
    RADB route object for AS20001 Charter Communications Inc, maintainer MAINT-AS834
  16. May 19, 2026
    Route object
    IPXO
    ARIN route object for AS20001 Charter Communications Inc, maintainer MNT-DCL-577
  17. May 19, 2026
    Route object
    IPXO
    RADB route object for AS64267 Sprious LLC, maintainer MAINT-AS834
  18. May 19, 2026
    Route object
    IPXO
    ARIN route object for AS64267 Sprious LLC, maintainer MNT-DCL-577
  19. May 19, 2026– Nov 2, 2026
    Announced
    AS6079 RCN
    Internet provider
  20. today
    Leased from
    IPXO
    IP broker
  21. today
    Used
    Rayobyte
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorLeased fromHolderRPKI
216.74.64.0/18
since May 2016
AS21769Hosting2,04813%Datacenter proxyProxy providersoperated by OxylabsIP broker IPXO (part)Colocation America Corporation

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
216.74.64.0/1816,384CAC-BLOCK13Colocation America Corporation (CAC-89) · USDirect AllocationApr 26, 2016[email protected]
└ 216.74.64.0/212,048IPXO-LLCIPXO LLC (IL-845) · USReallocatedFeb 5, 2024[email protected]
└ 216.74.64.0/212,048NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025[email protected]
└ 216.74.66.0/24256NET-216-74-66-0-24unknownReassignedMay 19, 2026[email protected]
via IPXO-LLC

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Colocation America Corporation
Handle
CAC-89
Range
216.74.64.0/18
Registration type
Direct Allocation
Record created
Apr 26, 2016
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated range
216.74.64.0/21
Reallocated
Jan 7, 2025
Origin network

AS6079

US
Name
RCN
Type
Internet provider
Registered
Apr 4, 2001
Domain
astound.com
Website
www.astound.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed